1992
DOI: 10.1063/1.463625
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Energy transfer studies on N2(X 1Σ+g,v) and N2(B 3Πg)

Abstract: Stereo correlated dynamics in the energy transfer process of aligned N2 (A 3Σu +) + oriented NO (X 2Π, Ω = 1/2) → NO (A 2Σ+) + N2 (X 1Σg +) J. Chem. Phys. 137, 064311 (2012); 10.1063/1.4739273 Vibrationalstatetostate collisioninduced intramolecular energy transfer N2(A 3Σ u +, v'→B 3Π g , v') J. Chem. Phys. 98, 8606 (1993); 10.1063/1.464469 Double resonance studies of rotational energy transfer in the N2B3Πg state AIP Conf. Proc. 191, 664 (1989); 10.1063/1.38600Rotational transitions of N2(a 1Π g ) induced by … Show more

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Cited by 155 publications
(109 citation statements)
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“…Focusing on the OODR-LIF signal, it decreases at least by a factor 5 by adding 200 ppm of O 2 . In present experiments OODR-LIF signal is few tens of mV without O 2 addition and the minimum O-scope sensitivity is 5 m V. The linear scaling of N 2 (A) by OODR-LIF signal with and without O 2 addition is satisfied since the quenching rates of B and C states of nitrogen by O 2 [26,27] are negligible with respect to that by N 2 [23,27]. Such a decrease has to be mainly attributed to the quenching of N 2 (A) by O 2 (k q * 2.5 9 10 -12 cm 3 s -1 [28]) by a loss rate of 1.1 9 10 4 s -1 and likely by O-atoms (k q * 2.8 9 10 -11 cm 3 s -1 [28]).…”
Section: Relaxation Of N 2 (A) In Time and Spacementioning
confidence: 54%
See 1 more Smart Citation
“…Focusing on the OODR-LIF signal, it decreases at least by a factor 5 by adding 200 ppm of O 2 . In present experiments OODR-LIF signal is few tens of mV without O 2 addition and the minimum O-scope sensitivity is 5 m V. The linear scaling of N 2 (A) by OODR-LIF signal with and without O 2 addition is satisfied since the quenching rates of B and C states of nitrogen by O 2 [26,27] are negligible with respect to that by N 2 [23,27]. Such a decrease has to be mainly attributed to the quenching of N 2 (A) by O 2 (k q * 2.5 9 10 -12 cm 3 s -1 [28]) by a loss rate of 1.1 9 10 4 s -1 and likely by O-atoms (k q * 2.8 9 10 -11 cm 3 s -1 [28]).…”
Section: Relaxation Of N 2 (A) In Time and Spacementioning
confidence: 54%
“…However we can examine some qualitative aspects in the light of present results. Searching for the contribution to relaxation by gas phase processes it might be essentially due to N-atoms (k q (N) * 4 9 10 -11 cm 3 s -1 [26]) since the quenching by N 2 (k q (N 2 ) * 10 -18 cm 3 s -1 [23]) is negligible. If we consider a limit case in which loss are only due to gas phase processes, then a nitrogen dissociation of 0.01% could give account of N 2 (A) quenching in about ten microseconds in the post discharge.…”
Section: Relaxation Of N 2 (A) In Time and Spacementioning
confidence: 99%
“…where the chemical reaction rate constant is 4 × 10 −11 cm 3 molecules −1 s −1 [Piper, 1992[Piper, , 1994. Also, the following reaction is added as discussed in [Kamaratos, 2009],…”
Section: The Chemical Reaction Set In the Plasma Chemistry Modelmentioning
confidence: 99%
“…The constants k 1 À k 5 were determined [26,27,30,[38][39][40][41]. In any event calculations show that even though there maybe a very large difference in concentration between N 2 (B 3 P g ) and O 2 ðb 1 R þ g Þ or 2O 2 (a 1 D g ), primarily the very large difference in lifetimes between them and secondarily the quenching (by O, N, NO, even O 3 , etc.)…”
Section: The Role Of Oxygenmentioning
confidence: 97%
“…The observed reduction in the background emission [16] by excess CO 2 may be due to N 2 (B 3 P g ) quenching (with a rate constant [41] k N = 2 · 10 À10 cm 3 molecule À1 s À1 ) rather than O 2 ðb 1 R þ g Þ quenching (with a rate constant [30] k o = 3.5 · 10 À13 cm 3 molecule À1 s À1 ). The quenching rate constant for N 2 ðA 3 R þ u Þ quenched by CO 2 is even lower.…”
Section: The Role Of Oxygenmentioning
confidence: 99%